Dec 13 06:26:18.832 INFO testing ravendyg/rust-playground against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 13 06:26:18.832 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 06:26:19.379 INFO [stdout] e2da2f9e93553caa0e7fb2223ed9711454923b0399d664dde4dac6e49bc6cabd
Dec 13 06:26:19.381 INFO running `"docker" "start" "-a" "e2da2f9e93553caa0e7fb2223ed9711454923b0399d664dde4dac6e49bc6cabd"`
Dec 13 06:26:20.783 INFO [stderr] usermod: no changes
Dec 13 06:26:20.891 INFO [stderr]    Compiling guessing v0.1.0 (/source)
Dec 13 06:26:21.223 INFO [stderr] warning: unused variable: `x`
Dec 13 06:26:21.223 INFO [stderr]   --> src/main.rs:60:7
Dec 13 06:26:21.223 INFO [stderr]    |
Dec 13 06:26:21.223 INFO [stderr] 60 |   let x: Option<i32> = Option::Some(5);
Dec 13 06:26:21.223 INFO [stderr]    |       ^ help: consider using `_x` instead
Dec 13 06:26:21.223 INFO [stderr]    |
Dec 13 06:26:21.223 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 06:26:21.223 INFO [stderr] 
Dec 13 06:26:21.223 INFO [stderr] warning: unused variable: `q`
Dec 13 06:26:21.224 INFO [stderr]   --> src/main.rs:62:7
Dec 13 06:26:21.224 INFO [stderr]    |
Dec 13 06:26:21.224 INFO [stderr] 62 |   let q: Option<f64> = Option::Some(5f64);
Dec 13 06:26:21.224 INFO [stderr]    |       ^ help: consider using `_q` instead
Dec 13 06:26:21.224 INFO [stderr] 
Dec 13 06:26:21.224 INFO [stderr] warning: unused variable: `b`
Dec 13 06:26:21.224 INFO [stderr]   --> src/main.rs:71:7
Dec 13 06:26:21.224 INFO [stderr]    |
Dec 13 06:26:21.224 INFO [stderr] 71 |   let b = 10;
Dec 13 06:26:21.224 INFO [stderr]    |       ^ help: consider using `_b` instead
Dec 13 06:26:21.233 INFO [stderr] 
Dec 13 06:26:21.233 INFO [stderr] warning: variant is never constructed: `None`
Dec 13 06:26:21.233 INFO [stderr]   --> src/main.rs:49:3
Dec 13 06:26:21.233 INFO [stderr]    |
Dec 13 06:26:21.233 INFO [stderr] 49 |   None
Dec 13 06:26:21.233 INFO [stderr]    |   ^^^^
Dec 13 06:26:21.233 INFO [stderr]    |
Dec 13 06:26:21.233 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 06:26:21.233 INFO [stderr] 
Dec 13 06:26:21.233 INFO [stderr] warning: enum is never used: `Result`
Dec 13 06:26:21.233 INFO [stderr]   --> src/main.rs:53:1
Dec 13 06:26:21.233 INFO [stderr]    |
Dec 13 06:26:21.233 INFO [stderr] 53 | enum Result<T, E> {
Dec 13 06:26:21.233 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 13 06:26:21.233 INFO [stderr] 
Dec 13 06:26:21.591 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 13 06:26:21.591 INFO [stderr] su: No module specific data is present
Dec 13 06:26:22.631 INFO running `"docker" "inspect" "e2da2f9e93553caa0e7fb2223ed9711454923b0399d664dde4dac6e49bc6cabd"`
Dec 13 06:26:23.049 INFO running `"docker" "rm" "-f" "e2da2f9e93553caa0e7fb2223ed9711454923b0399d664dde4dac6e49bc6cabd"`
Dec 13 06:26:23.363 INFO [stdout] e2da2f9e93553caa0e7fb2223ed9711454923b0399d664dde4dac6e49bc6cabd
Dec 13 06:26:23.371 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 06:26:23.899 INFO [stdout] 3d7471e2ee1f3abb172b9ab63317f0ebf3de30eb2616fe8873e5bf2f4b4a4bd4
Dec 13 06:26:23.905 INFO running `"docker" "start" "-a" "3d7471e2ee1f3abb172b9ab63317f0ebf3de30eb2616fe8873e5bf2f4b4a4bd4"`
Dec 13 06:26:24.945 INFO [stderr] usermod: no changes
Dec 13 06:26:25.007 INFO [stderr]    Compiling guessing v0.1.0 (/source)
Dec 13 06:26:25.325 INFO [stderr] warning: unused variable: `x`
Dec 13 06:26:25.325 INFO [stderr]   --> src/main.rs:60:7
Dec 13 06:26:25.325 INFO [stderr]    |
Dec 13 06:26:25.325 INFO [stderr] 60 |   let x: Option<i32> = Option::Some(5);
Dec 13 06:26:25.325 INFO [stderr]    |       ^ help: consider using `_x` instead
Dec 13 06:26:25.325 INFO [stderr]    |
Dec 13 06:26:25.325 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 13 06:26:25.325 INFO [stderr] 
Dec 13 06:26:25.325 INFO [stderr] warning: unused variable: `q`
Dec 13 06:26:25.325 INFO [stderr]   --> src/main.rs:62:7
Dec 13 06:26:25.325 INFO [stderr]    |
Dec 13 06:26:25.325 INFO [stderr] 62 |   let q: Option<f64> = Option::Some(5f64);
Dec 13 06:26:25.325 INFO [stderr]    |       ^ help: consider using `_q` instead
Dec 13 06:26:25.325 INFO [stderr] 
Dec 13 06:26:25.325 INFO [stderr] warning: unused variable: `b`
Dec 13 06:26:25.325 INFO [stderr]   --> src/main.rs:71:7
Dec 13 06:26:25.325 INFO [stderr]    |
Dec 13 06:26:25.325 INFO [stderr] 71 |   let b = 10;
Dec 13 06:26:25.325 INFO [stderr]    |       ^ help: consider using `_b` instead
Dec 13 06:26:25.325 INFO [stderr] 
Dec 13 06:26:25.338 INFO [stderr] warning: variant is never constructed: `None`
Dec 13 06:26:25.338 INFO [stderr]   --> src/main.rs:49:3
Dec 13 06:26:25.338 INFO [stderr]    |
Dec 13 06:26:25.338 INFO [stderr] 49 |   None
Dec 13 06:26:25.338 INFO [stderr]    |   ^^^^
Dec 13 06:26:25.338 INFO [stderr]    |
Dec 13 06:26:25.338 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 13 06:26:25.338 INFO [stderr] 
Dec 13 06:26:25.338 INFO [stderr] warning: enum is never used: `Result`
Dec 13 06:26:25.338 INFO [stderr]   --> src/main.rs:53:1
Dec 13 06:26:25.338 INFO [stderr]    |
Dec 13 06:26:25.338 INFO [stderr] 53 | enum Result<T, E> {
Dec 13 06:26:25.338 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 13 06:26:25.338 INFO [stderr] 
Dec 13 06:26:25.661 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
Dec 13 06:26:25.667 INFO [stderr] su: No module specific data is present
Dec 13 06:26:26.834 INFO running `"docker" "inspect" "3d7471e2ee1f3abb172b9ab63317f0ebf3de30eb2616fe8873e5bf2f4b4a4bd4"`
Dec 13 06:26:27.199 INFO running `"docker" "rm" "-f" "3d7471e2ee1f3abb172b9ab63317f0ebf3de30eb2616fe8873e5bf2f4b4a4bd4"`
Dec 13 06:26:27.556 INFO [stdout] 3d7471e2ee1f3abb172b9ab63317f0ebf3de30eb2616fe8873e5bf2f4b4a4bd4
Dec 13 06:26:27.563 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-1/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +bd47d6825bf4090517549d33cfef10d3300b4a75-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 13 06:26:28.192 INFO [stdout] 71753b1d07faf633c647407f46b45cadc585587de7545986f6c4d98d8168cad2
Dec 13 06:26:28.197 INFO running `"docker" "start" "-a" "71753b1d07faf633c647407f46b45cadc585587de7545986f6c4d98d8168cad2"`
Dec 13 06:26:29.289 INFO [stderr] usermod: no changes
Dec 13 06:26:29.375 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 13 06:26:29.375 INFO [stderr]      Running /target/debug/deps/guessing-d77839efa56ef116
Dec 13 06:26:29.379 INFO [stdout] 
Dec 13 06:26:29.379 INFO [stdout] running 0 tests
Dec 13 06:26:29.379 INFO [stdout] 
Dec 13 06:26:29.379 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 06:26:29.379 INFO [stdout] 
Dec 13 06:26:29.380 INFO [stderr] su: No module specific data is present
Dec 13 06:26:30.107 INFO running `"docker" "inspect" "71753b1d07faf633c647407f46b45cadc585587de7545986f6c4d98d8168cad2"`
Dec 13 06:26:30.403 INFO running `"docker" "rm" "-f" "71753b1d07faf633c647407f46b45cadc585587de7545986f6c4d98d8168cad2"`
Dec 13 06:26:30.663 INFO [stdout] 71753b1d07faf633c647407f46b45cadc585587de7545986f6c4d98d8168cad2